function spamhurdle_block_replay_after_post($data)
{
global $PHORUM;
// Register the used key in the database.
if (!spamhurdles_db_init()) {
return $data;
}
spamhurdles_db_put($data['key'], TRUE, $PHORUM['mod_spamhurdles']['key_max_ttl']);
return $data;
}
function phorum_mod_spamhurdles_init($type, $extrafields = NULL)
{
global $PHORUM;
// Retrieve the module configuration.
$conf = $PHORUM["mod_spamhurdles"];
// Keep track if we want to save new spamhurdles info to the database.
$store = FALSE;
// Generate a spamhurdles key for the posting if this wasn't done yet.
if (!isset($PHORUM["SPAMHURDLES"]["key"])) {
// Generate a random spamhurdle key. The chance that we make
// up an already existing key is ehh... about zero, but since
// it's not hard to check for duplicates, a check is run for
// that very special occasion.
while (TRUE) {
$key = phorum_mod_spamhurdles_keygen();
if (!spamhurdles_db_get($key)) {
break;
}
}
$PHORUM["SPAMHURDLES"] = array("create_time" => time(), "key" => $key, "form_type" => $type, "prev_key_expired" => FALSE);
$store = TRUE;
}
// Generate a CAPTCHA, if required.
if (!isset($PHORUM["SPAMHURDLES"]["captcha"]) && ($type == "posting" && do_spamhurdle("posting_captcha") || $type == "register" && do_spamhurdle("register_captcha") || $type == "external_captcha")) {
$class = "captcha_" . $conf["captcha_type"];
require_once "./mods/spamhurdles/captcha/class.{$class}.php";
$captcha = new $class();
$captcha = $captcha->generate_captcha();
$PHORUM["SPAMHURDLES"]["captcha_class"] = $class;
$PHORUM["SPAMHURDLES"]["captcha"] = $captcha;
$store = TRUE;
}
// Only for posting messages:
// Generate a signkey for the MD5 javascript signing check.
if (!isset($PHORUM["SPAMHURDLES"]["signkey"]) && do_spamhurdle("jsmd5check") && $type == "posting") {
$signkey = phorum_mod_spamhurdles_keygen();
$PHORUM["SPAMHURDLES"]["signkey"] = $signkey;
$store = TRUE;
}
// If we encountered an expired key, then keep track of this
// in the new spamhurdles data.
if ($PHORUM["SPAMHURDLES_KEY_STATUS"] == KEY_EXPIRED) {
$PHORUM["SPAMHURDLES"]["prev_key_expired"] = TRUE;
$store = TRUE;
}
// Add fields that were passed in the $extrafields argument.
if (is_array($extrafields)) {
foreach ($extrafields as $k => $v) {
$PHORUM["SPAMHURDLES"][$k] = $v;
}
$store = TRUE;
}
// Store new spamhurdles information in the database.
if ($store) {
spamhurdles_db_put($PHORUM["SPAMHURDLES"]["key"], $PHORUM["SPAMHURDLES"], $conf["key_max_ttl"]);
spamhurdles_db_put($PHORUM["SPAMHURDLES"]["key"], $PHORUM["SPAMHURDLES"], $conf["key_max_ttl"]);
}
return $PHORUM["SPAMHURDLES"];
}